Common Causes of Oil Seal Failure
Maggie
October 20, 2026
October 20, 2026
An oil seal is a small but essential component in engines, transmissions, wheel hubs, gearboxes, pumps, and other rotating equipment. Its job is to retain lubricating oil while helping prevent dust, water, and abrasive particles from entering critical mechanical assemblies. When an oil seal fails, the consequences can extend beyond visible leakage to lubricant loss, bearing damage, increased friction, equipment